diff options
| author | Axel Lin <axel.lin@gmail.com> | 2011-01-25 17:12:12 +0300 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2011-01-26 01:57:17 +0300 |
| commit | ecb5646cb098d9d1961c4b1af7b776c73b7541ac (patch) | |
| tree | cddda632fe6e3af9fb7f28cf1fdbb076e8d88b22 /drivers | |
| parent | c723fdab8aa728dc2bf0da6a0de8bb9c3f588d84 (diff) | |
| download | linux-ecb5646cb098d9d1961c4b1af7b776c73b7541ac.tar.xz | |
intel_scu_ipc: fix signedness bug
busy_loop() returns negative error code, thus change err variable
from u32 to int to properly propagate correct error code.
Also remove unneeded initialization for err and i variables.
Signed-off-by: Axel Lin <axel.lin@gmail.com>
Signed-off-by: Alan Cox <alan@linux.intel.com>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/platform/x86/intel_scu_ipc.c | 7 |
1 files changed, 3 insertions, 4 deletions
diff --git a/drivers/platform/x86/intel_scu_ipc.c b/drivers/platform/x86/intel_scu_ipc.c index 1752ef006d26..f374c5961b32 100644 --- a/drivers/platform/x86/intel_scu_ipc.c +++ b/drivers/platform/x86/intel_scu_ipc.c @@ -161,7 +161,7 @@ static int pwr_reg_rdwr(u16 *addr, u8 *data, u32 count, u32 op, u32 id) { int i, nc, bytes, d; u32 offset = 0; - u32 err = 0; + int err; u8 cbuf[IPC_WWBUF_SIZE] = { }; u32 *wbuf = (u32 *)&cbuf; @@ -404,7 +404,7 @@ EXPORT_SYMBOL(intel_scu_ipc_update_register); */ int intel_scu_ipc_simple_command(int cmd, int sub) { - u32 err = 0; + int err; mutex_lock(&ipclock); if (ipcdev.pdev == NULL) { @@ -434,8 +434,7 @@ EXPORT_SYMBOL(intel_scu_ipc_simple_command); int intel_scu_ipc_command(int cmd, int sub, u32 *in, int inlen, u32 *out, int outlen) { - u32 err = 0; - int i = 0; + int i, err; mutex_lock(&ipclock); if (ipcdev.pdev == NULL) { |